Everyday Chemistry - Chapter 1

Scientific Method

A systematic process for studying natural phenomena that involves making observations, forming hypotheses, performing experiments, and testing theories.

Hypothesis

A proposed explanation for an observation, which can be tested through experimentation.

Observation

The act of noticing and recording something using the senses, used as a basis for forming hypotheses.

Experiment

A procedure carried out to test the validity of a hypothesis.

Measurement

A quantitative observation that includes a number and a unit.

Theory

A set of tested hypotheses that provides a comprehensive explanation for certain aspects of the natural world.

Natural Law

A statement that describes a consistent and universal observation of natural phenomena.

Qualitative Observation

An observation that describes qualities or characteristics without involving numbers.

Quantitative Observation

An observation that involves a number value and a unit of measurement.

Lead Poisoning

A medical condition caused by the accumulation of lead in the body, often exhibited through various physical symptoms.